aFe POWER Track Series Intake Replacement Air Filter w/ Pro 5R Media (24-91155) 1821 Quick do-it-yourself style direct replacement

Quick do-it-yourself style direct replacement bolt-on installation

E83 2009 BMW X3 E83

the deformation problem is eliminated whilst preventing the loss of boost pressure

tuned and dyno-tested to fit specific models

you are reducing the effective gear ratio

aFe POWER Track Series Intake Replacement Air Filter w/ Pro 5R Media (24-91155) 1821 Quick do-it-yourself style direct replacementThis filter features five layers of pre oiled cotton gauze media to provide maximum performance. Its progressive layering allows the filter to flow at high levels even when dirty. This media is perfect for street and or track use. Pro 5R filters are easily recharged with aFe's POWER CLEANER and blue air filter oil. aFe POWER performance air filters use a rounded, evenly spaced pleat design which allows for more usable filter surface area, providing